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Repair Instructions - GP8035 Pump

11) Remove the connecting rod 
screws (24).

 Connecting rods are 

marked 1 to 3 for identifi cation. Do 
not twist connecting rod halves or in-
terchange them. When reassembling, 
the connecting rod must be fi tted in 
their exact original position on the 
crankshaft journals.

12)  Push connecting rod halves together 
with the crosshead as far as possible into 
the crosshead guide. Take out bearing cover 
(14/14A) and push out crankshaft taking par-
ticular care that the con rod doesn’t get bent.  
Check surfaces on the connecting rods (24), 
crankshaft (22) and crossheads (25).  Check 
the surfaces of the crosshead guides in the 
crankcase for any unevenness. 

13) Reassemble in reverse order. 
Thread the long end of the crankshaft 
together with the inner bearing rings into 
the crankcase; then mount outer bearing 
ring (20) and spacer ring (22A).  

Mount 

connecting rod halves in their exact 
original position and tighten at 37 Ft-lbs.

 Connecting rods must be able 

to move slightly sideways on the stroke 
journals.

To Dismantle Crankcase Gear

10)

   

Take out plungers and seal sleeves as 

described above. Drain the oil by taking off 
the plug (12).  After removing the clip ring 
(33B), lever out the seal retainer (33) with a 
screwdriver. Open hose adapter (K11) and 
remove gear cover (K3).  

Remove the cooling 

vane plate (K1) by removing the screws (K4)

Summary of Contents for GP8035

Page 1: ...ther with all mounted parts out of the drive Pull plunger out of seal assembly and check for any damage Clean centering and top sur face of crosshead with plunger base 25 Take out tension spring 45 Carefully remove the whole seal unit 41 44 by using socket wrench or backside of a screwdriver Check plunger surface and seals Check O rings 39A Renew damaged parts After removing off clip ring 40C and ...

Page 2: ...g 45 in to the seal sleeve 39 Mounting Valve Casing Press seal cases 38 with the stepped OD diameter 65mm carefully to its stop in the centering holes of the intermediate casing Mount flat leakage seal 62D Important The flat leakage seal 62D must be positioned with its 3mm diameter bore onto the notched pin 62C on the intermediate casing The leakage return bores in the interme diate casing and in ...

Page 3: ...ft 22 and crossheads 25 Check the surfaces of the crosshead guides in the crankcase for any unevenness 13 Reassemble in reverse order Thread the long end of the crankshaft together with the inner bearing rings into the crankcase then mount outer bearing ring 20 and spacer ring 22A Mount connecting rod halves in their exact original position and tighten at 37 Ft lbs Connecting rods must be able to ...

Page 4: ... the bearing cover 14 and tighten the screws 17 at 64 Ft lbs Seal 32A must always be installed so that the seal lip on the inside diameter faces the oil Pos sible axial float of the seal adapter 33 to be compensated with shims 33C Mount cooling plate K1 and gear cover K3 with their respective seals K2 When as sembling the cooling circuit line make sure that the oil cooler connection K7 is always j...

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